(Reuters) -A second police officer who was shot Friday in New York City while responding to a domestic violence call has died, the city’s police commissioner said on Twitter on Tuesday. Keechant Sewell, the New York City police commissioner, called officer Wilbert Mora, 27, “3 times a hero” as she announced his death in a Twitter post. His death followed the death on Friday of fellow officer Jason Rivera, 22, who was shot along with Mora after they and a third officer responded to a call about a domestic disturbance in Harlem. Sewell, in her tweet, described Wilbert as a hero: “For choosing a …